1 files changed, 93 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java
new file mode 100644
index 0000000000..66cb3c76fc
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/namespace/ScaNamespaceHandler.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2002-2006 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+package org.apache.tuscany.sca.implementation.spring.namespace;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import javax.xml.namespace.QName;
+
+import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * Handler for the &lt;sca:&gt; namespace in an application context
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ScaNamespaceHandler extends NamespaceHandlerSupport {
+
+    public ScaNamespaceHandler() {
+    }
+
+    @Override
+    public void init() {
+        registerBeanDefinitionParser("reference", new ScaReferenceBeanDefinitionParser());
+        registerBeanDefinitionParser("service", new ScaServiceBeanDefinitionParser());
+        registerBeanDefinitionParser("property", new ScaPropertyBeanDefinitionParser());
+    }
+
+    private static String getNamespaceURI(Element element, String prefix) {
+        if (element == null) {
+            return null;
+        }
+        String name = ("".equals(prefix)) ? "xmlns" : "xmlns:" + prefix;
+        String ns = element.getAttribute(name);
+        if (ns != null && !"".equals(ns)) {
+            return ns;
+        }
+        Node parent = element.getParentNode();
+        if (parent instanceof Element) {
+            return getNamespaceURI((Element)parent, prefix);
+        } else {
+            return null;
+        }
+    }
+
+    public static List<QName> resolve(Element element, String listOfNames) {
+        List<QName> qnames = new ArrayList<QName>();
+        StringTokenizer tokenizer = new StringTokenizer(listOfNames);
+        while (tokenizer.hasMoreTokens()) {
+            String qname = tokenizer.nextToken();
+            String prefix = "";
+            String local = qname;
+            int index = qname.indexOf(':');
+            if (index != -1) {
+                local = qname.substring(index + 1);
+                prefix = qname.substring(0, index);
+            }
+            String ns = getNamespaceURI(element, prefix);
+            if (ns != null) {
+                qnames.add(new QName(ns, local, prefix));
+            } else {
+                throw new IllegalArgumentException("Prefix " + prefix + "is not bound to a namespace");
+            }
+        }
+        return qnames;
+    }
+
+    public static String getAttribute(Element element, String name) {
+        String attr = element.getAttributeNS(null, name);
+        if ("".equals(attr)) {
+            return null;
+        } else {
+            return attr;
+        }
+    }
+}